Home / 129,264.58-178,387.73-75,551.86

Finding the Fourth Proportional to 129,264.58, 178,387.73 and 75,551.86

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Solution

The fourth proportional to 129,264.58, 178,387.73 and 75,551.86 is: 104,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,264.58 : 178,387.73 = 75,551.86 : x
  2. Step 2: Convert to fraction form
    129,264.58/178,387.73 = 75,551.86/x
  3. Step 3: Cross multiply
    129,264.58x = 178,387.73 × 75,551.86
  4. Step 4: Simplify right side
    129,264.58x = 13,477,524,802.68
  5. Step 5: Solve for x
    x = 13,477,524,802.68/129,264.58
  6. Step 6: Final answer
    x = 104,263.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.